Type A

Points A$,$ B$,$ C$,$ D and E are at the center of gravity of the elements on the shaft.

Mechanic Properties

$P=15[kW]$

n $=950[\frac{d}{d}]$

$F_1=4,0[kN]$

$F_2=2,5[kN]$

$F_3=1,0[kN]$

$F_4=0,9[kN]$

$F_5=2,0[kN]$

$F_6=1,4[kN]$

Geometric Properties $[$mm$]$

$L_0=80|L_1=65|L_2=45|L_3=42|L_4=50$

$d_1=45|d_2=50|d_3=40|d_4=32$

$D_1=200|D_2=80|D_3=50|D_4=100|D_5=85$

$b_1=80|b_2=48|b_3=64|b_4=25|b_5=19$

$bhl=$ choose. $($Key$)$

$r_0=2($For all fillet Radii$)$

$a=4($Welding throat$)$

$=45$

Physical and other Properties

Shaft: St$-70($Structural Steel$)$

Pulley: GS$-60($Cast steel$)$

Key: St$-50($Structural Steel$)$

Surface Roughness: $Ra4[m]$

Welding seam: $2^{nd}$ quality

Coefficients $[-]$

$=0,15|k=1,5$

$S=2|S_K=1,8$

REQUIRED:

$1-$ Design Calculations $(70$p$)$

a$)$ Strength check of the shaft $(20$p$)$

b$)$ Controlling the conical fit at $A(10p)$

c$)$ Determination of the total tightening torque for the screw connection at A and controlling the screw

$(10$p$)$

d$)$ Controlling the welded joint in $C(10p)$

e$)$ Sizing of the key joint at E $(10$p$)$

f$)$ Controlling the press$-$fit joint in case of key joint $-$in E $(10$p$)$